From e13a33d05aafb52cb1967c5de534eede60a20f1a Mon Sep 17 00:00:00 2001
From: lang <bm2736892@gmail.com>
Date: Wed, 30 Dec 2015 16:13:44 +0800
Subject: [PATCH] Off previous event when updating symbol

---
 src/chart/helper/Symbol.js | 4 ++++
 src/chart/pie/PieView.js   | 9 +++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/chart/helper/Symbol.js b/src/chart/helper/Symbol.js
index 75b0810d7..568056500 100644
--- a/src/chart/helper/Symbol.js
+++ b/src/chart/helper/Symbol.js
@@ -194,6 +194,10 @@ define(function (require) {
 
         var size = normalizeSymbolSize(data.getItemVisual(idx, 'symbolSize'));
 
+        symbolPath.off('mouseover')
+            .off('mouseout')
+            .off('emphasis')
+            .off('normal');
         if (itemModel.getShallow('hoverAnimation')) {
             var onEmphasis = function() {
                 var ratio = size[1] / size[0];
diff --git a/src/chart/pie/PieView.js b/src/chart/pie/PieView.js
index c22622648..ade968955 100644
--- a/src/chart/pie/PieView.js
+++ b/src/chart/pie/PieView.js
@@ -77,6 +77,7 @@ define(function (require) {
 
         this.updateData(data, idx, true);
 
+        // Hover to change label and labelLine
         function onEmphasis() {
             polyline.ignore = polyline.hoverIgnore;
             text.ignore = text.hoverIgnore;
@@ -85,10 +86,10 @@ define(function (require) {
             polyline.ignore = polyline.normalIgnore;
             text.ignore = text.normalIgnore;
         }
-        this.on('emphasis', onEmphasis);
-        this.on('normal', onNormal);
-        this.on('mouseover', onEmphasis);
-        this.on('mouseout', onNormal);
+        this.on('emphasis', onEmphasis)
+            .on('normal', onNormal)
+            .on('mouseover', onEmphasis)
+            .on('mouseout', onNormal);
     }
 
     var piePieceProto = PiePiece.prototype;
-- 
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